{"schema":"threatline.record/2","record":{"id":"CVE-2026-74921","aliases":[],"summary":"Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes","details":"The Document Gallery WordPress plugin through 5.1.1 does not sanitise or escape several gallery shortcode attributes before embedding them in a single-quoted HTML attribute in the rendered gallery markup, allowing users with the Contributor role and above to inject arbitrary event handlers that execute when a higher privileged user views the content.","categories":["Unclassified"],"product":"Document Gallery","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-74921","source_modified_at":"2026-10-19T09:31:21.665Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Document Gallery","vendor":"Unknown","versions":[{"version":"4.0","status":"affected","versionType":"semver","lessThanOrEqual":"5.1.1"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00235,"percentile":0.13708,"score_date":"2026-10-23"},"published_at":"2026-10-19T06:46:15.459Z","modified_at":"2026-10-19T09:31:21.665Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-74921","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:31:21.665Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-74921","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wpscan.com/vulnerability/b0b97661-c671-420c-8fca-22666862b379/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-19T09:26:19.262940Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T09:31:21.665Z","content_hash":"b01d3c868ac8232abcda23b2c3bb467011b9a637289f35bbdde22277b887398f"}}